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kms: Allow updating the primary node

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Add more sophisticated code to handle the primary node disappearing.

Also overhaul the selection logic to respect our allow/deny-list and
prefer devices with built-in connectors before using the boot gpu.

This will also allow triggering a primary node switch at runtime
for debugging purposes in the future.
This commit is contained in:
Victoria Brekenfeld 2025-05-21 22:07:46 +02:00 • committed by Victoria Brekenfeld
parent 4c0c61e94b
commit 8194be30c6
8 changed files with 153 additions and 93 deletions
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11
src/wayland/handlers/screencopy/render.rs
View file

@ -337,7 +337,9 @@ pub fn render_workspace_to_buffer(
let common = &mut state.common;
let renderer = match state.backend.offscreen_renderer(|kms| {
let render_node = kms.target_node_for_output(&output).or(kms.primary_node)?;
let render_node = kms
.target_node_for_output(&output)
.or(*kms.primary_node.read().unwrap())?;
let target_node = get_dmabuf(&buffer)
.ok()
.and_then(|dma| dma.node())
@ -591,7 +593,7 @@ pub fn render_window_to_buffer(
})
.flatten()
})
.or(kms.primary_node)
.or(*kms.primary_node.read().unwrap())
}) {
Ok(renderer) => renderer,
Err(err) => {
@ -745,7 +747,10 @@ pub fn render_cursor_to_buffer(
}
let common = &mut state.common;
let renderer = match state.backend.offscreen_renderer(|kms| kms.primary_node) {
let renderer = match state
.backend
.offscreen_renderer(|kms| *kms.primary_node.read().unwrap())
{
Ok(renderer) => renderer,
Err(err) => {
warn!(?err, "Couldn't use node for screencopy");